Hi Viz Cotton Comfort Tee Shirt RIS 3279 Portwest S172 This Portwest Hi Viz Cotton Comfort T-shirt uses comfortable, breathable cotton comfort fabric combined with HiVisTex tape for enhanced visibility. Breathable fabric to draw moisture away from the body keeping the wearer cool, dry and comfortableMoisture wicking fabric helping to keep the body warm, cool and dryReflective tape for increased visibility35+ UPF rated fabric to block 97% of UV raysCrew neckDesigned with a comfort fitCertified to EN ISO 20471 after 50x washesComplies with RIS 3279-TOM for rail industry (orange only)CE certifiedRIS-3279-TOM ISSUE 1 (ORANGE ONLY) other RIS garmentsEN ISO 20471 Class 2Shell Fabric :55% Cotton, 45% Polyester, Knit 175g